Aptitude Practice Question and Answer

Q:

If a=34, b=c=33, then the value of a3+b3+c3-3abc is 

1379 0

  • 1
    50
    Correct
    Wrong
  • 2
    100
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    111
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "100"

Q:

If a+b = 1 and a3+b3+3ab=k, then the value of k is : 

1039 0

  • 1
    5
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "1"

Q:

If $$64^{x+1}={64\over 4^x}$$, then the value of x

731 0

  • 1
    $$1\over 2$$
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    0
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "0"

Q:

If a, b are rational number and (a-1)√2+3=b√2+a, the value of (a+b) is : 

743 0

  • 1
    -3
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    -5
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "5"

Q:

if a3b = abc = 180, a, b, c are positive integers, then the value of c is 

1158 0

  • 1
    4
    Correct
    Wrong
  • 2
    25
    Correct
    Wrong
  • 3
    110
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "1"

Q:

If for two real constants a and b the expression ax3+3x2-8x+b is exactly divisible by (x+2) and (x-2), then 

1234 0

  • 1
    a = 2, b = -12
    Correct
    Wrong
  • 2
    a = -2, b = 12
    Correct
    Wrong
  • 3
    a = 2, b = 12
    Correct
    Wrong
  • 4
    a = 12, b = 12
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "a = 2, b = -12"

Q:

If x = b+c -2a, y=c+a-2b, z=a+b-2c, then the value of x2+y2-z2+2xy is : 

955 0

  • 1
    a-b+c
    Correct
    Wrong
  • 2
    a+b-c
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    a+b+c
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "0"

Q:

If x2+y2-4x-4y+8=0, then the value of x-y is: 

877 0

  • 1
    0
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    -4
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "0"

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully